CN101110658A - Method, apparatus and system for modifying a transmission map to communicate in a wireless network - Google Patents
Method, apparatus and system for modifying a transmission map to communicate in a wireless network Download PDFInfo
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- CN101110658A CN101110658A CNA2007101006147A CN200710100614A CN101110658A CN 101110658 A CN101110658 A CN 101110658A CN A2007101006147 A CNA2007101006147 A CN A2007101006147A CN 200710100614 A CN200710100614 A CN 200710100614A CN 101110658 A CN101110658 A CN 101110658A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/535—Allocation or scheduling criteria for wireless resources based on resource usage policies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/04—Terminal devices adapted for relaying to or from another terminal or user
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Abstract
Direct communication between devices in a wireless network without going through a base station is described herein. Such communication may be possible by deviating from a transmission map to be broadcasted by the base station of the wireless network.
Description
Technical field
Embodiments of the invention relate to electronic communication field, more specifically, relate to the communication in the wireless network.
Background technology
In some wireless networks, the node of network (for example base station and user) will be operated according to transmission map (transmission map).A transmission map typically can be specified a frame structure, and this frame structure can send a signal to the user and can send a signal to this base station each user of which time point to a node indication in this base station of which time point.The example of such network be WiMAX (promptly, micro-wave access to global intercommunication) network, wherein network node can dispose and operate according to a standard, such as the ANSI/motor of one or more metropolitan area networks (MAN) and electronics engineers (ANSI/IEEE) 802.16 standards (for example, the IEEE 802.16.2-2004 of issue on March 17th, 2004), together with any renewal basis, revised edition and/or amendment to this.
In the WiMAX network of operating with the point to multipoint mode of standard, the base station broadcast transmission map.Thereby each node will use identical common transmission map operation.In some WiMAX networks, time division duplex (TDD) can be utilized, and makes each node can be allocated for the incremental time of transmitt or receive signal burst.Thereby based on this transmission map, each node will be assigned with one or more particular point in times and send and received signal.
The user that a restriction of this network is this network usually can not with other user's direct communications of this network (just, user can not be directly transmitt or receive signal) mutually.For a user, for another telex network, they must intercom mutually by the base station.The result is that the communication in this network can be more or less limited.
Description of drawings
By the detailed description of carrying out, will understand embodiments of the invention easily below in conjunction with accompanying drawing.Describe for facility, identical reference number is represented identical construction unit.Embodiments of the invention are come out by example by way of example, are not limited to the figure in the accompanying drawing.
Fig. 1 illustration according to the wireless network of each embodiment of the present invention;
Fig. 2 illustration according to the frame structure of each embodiment of the present invention;
Fig. 3 illustration according to the frame structure of each embodiment of the present invention, it is a revision of frame structure shown in Figure 2;
Fig. 4 illustration according to the wireless network of each embodiment of the present invention;
Fig. 5 illustration according to the frame structure of each embodiment of the present invention;
Fig. 6 illustration according to the frame structure of each embodiment of the present invention, it is a revision of frame structure shown in Figure 5;
Fig. 7 illustration according to the frame structure of each embodiment of the present invention, it is another revision of frame structure shown in Figure 5;
Fig. 8 illustration according to the wireless network of each embodiment of the present invention; With
Fig. 9 illustration according to the system of each embodiment of the present invention.
Embodiment
In following detailed description, Reference numeral is to make at the accompanying drawing of a part that constitutes specification, and wherein the identical identical part of numeral in whole specification wherein shows in the mode that wherein can realize exemplary embodiment of the present invention.Be understandable that, can use other embodiment and in the change of making structure or logic without departing from the scope of the invention.Therefore, it is restrictive that following detailed description can not be considered to, and limits by additional claim and equivalent thereof according to the scope of embodiments of the invention.
Various operations can be by a plurality of lock out operation that are described as in the mode that helps to understand the embodiment of the invention carrying out successively; But the order of description should not be interpreted as having hinted that these operations are order dependent.
Described description can be used phrase " in each embodiment " or " in certain embodiments ", and it can mention one or more identical or different embodiment separately.And when using at embodiments of the invention, term " comprises ", " comprising ", " having " and similarly term be synonym.
According to each embodiment of the present invention, first equipment of wireless network can with the second equipment direct communication of this wireless network, and need not communicate by a base station, wherein first and second equipment can be the users of this wireless network.For these embodiment, the base station can be shone upon to equipment (for example user) broadcast transmitted of this network at first.This transmission map can be specified the transmission frame-form with first and second subframes.First subframe can be used to from the base station of this wireless network to the signal transmission of a plurality of equipment of this wireless network, and second subframe can be used to transmit to signal of base station from a plurality of equipment.First and second subframes can correspond respectively to first and second Transmission Time Intervals, wherein first Transmission Time Interval before second Transmission Time Interval or the section start of second Transmission Time Interval finish.For first equipment, send signal in order to give second equipment to this wireless network, first equipment can depart from transmission map, to send signal to second equipment during first Transmission Time Interval.These or others will be described in greater detail below.
Fig. 1 has described a wireless network according to each embodiment of the present invention.As shown in the figure, network 10 comprises three nodes: base station (BS) 12, the first users (SS1) 14 and second user (SS2) 16.In certain embodiments, network 10 can be the WiMAX network, particularly, can be that point is to multiple spot (PMP) pattern WiMAX network or mesh model WiMAX network.As shown in the figure, first and second users 14 and 16 can with base station 12 two-way communications, shown in Reference numeral 18 and 20.In addition, first user 14 can send signal or data to second user 16, shown in Reference numeral 22.For purpose of description, when base station and first user simultaneously when second user sends, this network 10 can be called as contract network or system's (being " cooperative system ") here.
Fig. 2 has described a typical frame structure according to each embodiment of the present invention, and it will be specified to the transmission map of network 10 broadcasting by base station 12.Frame structure 200 comprises that first and second subframes 220 and 222, the first subframes 220 are downlink subframe, is used for base station 12 and sends signal to user 14 and 16, and second subframe 222 is uplink sub-frames, is used for user 14 and 16 and sends signal to base station 12.Each all is made up of a plurality of bursts 204 to 209 in the subframe 220 and 222.What separate first and second subframes 220 and 222 is a bold line, and for purpose of description, this bold line is called as descending/up link (DL/UL) and separates 202.
The place that begins of second subframe 222 also comprises transmissions/receptions conversion interval (TTG) 240, its short time period when not having the network equipment to be allowed to send signal, and this permission base station 12 switches to monitoring or receiving mode from transmission mode.Equally, TTG 240 can allow user 14 and 16 to switch to transmission mode from receiving mode.Notice that although in this example, TTG 240 optionally has been included in second subframe 222, as an alternative, TTG240 can be included in first subframe 220, for example, and as situation at the WiMAX network.The bottom of Fig. 2 is a time shaft 216, and it is divided into incremental time 210 to 215.
As described previously, first (that is, down link) subframe 220 is used for the 12 signal transmission to user 14 and 16 from the base station, and it comprises burst 204 to 206.Particularly, burst 204 is used for base station 12 and sends signal to first user 14, and burst 205 and 206 is used for base station 12 and sends signal to second user 16.Notice that in first subframe 220, base station 12 can utilize a plurality of bursts repeatedly to send signal to each of user 14 and 16, as burst 205 with as shown in the dotted line between the burst 206 of last burst of first subframe 220.
Second (that is, up link) subframe 222 is used for 12 the signal transmission to the base station from user 14 and 16, and it comprises burst 207 to 209.Particularly, burst 207 is used for first user 14 and sends signal to base station 12, and burst 208 and 209 is used for second user 16 and sends signal to base station 12.In second subframe 222, user 14 and 16 each will have a plurality of chances to utilize a plurality of bursts to send signals to base station 12, as burst 208 with as shown in the dotted line between the burst 209 of last burst in second subframe 222.
If base station 12 is according to frame structure 200 operations, so during first Transmission Time Interval 230, base station 12 can be to be in the transmission mode (can be configured to send signal rather than be used for received signal), can convert receiving mode (can be configured to receive rather than send signal) at the section start (for example during the time period corresponding to TTG 240) of second Transmission Time Interval 232.On the contrary, if each of user 14 and 16 is all according to frame structure 200 operations, so during first Transmission Time Interval 230, user 14 and 16 can be in the receiving mode, the section start of second Transmission Time Interval 232 (for example DL/UL separate 202 or TTG 240) can convert transmission mode to.
But according to each embodiment of the present invention, first user 14 can depart from " original " transmission map of base station 12 broadcasting so that send signal to second user 16 during first Transmission Time Interval 230.In certain embodiments, this can realize that this new frame structure is the revision that is shone upon the frame structure 200 of appointment by the original transmitted that base station 12 is broadcasted by first user 14 is operated according to new frame structure.For these embodiment, this means that first user 14 revises from the base station 12 transmission map that receive.Amended frame structure 300, the first users 14 that Fig. 3 has described according to each embodiment of the present invention will utilize the frame structure 300 by amended transmission map appointment to send signal to second user 16.In certain embodiments, in case be modified, this amended transmission map just is stored in the memory, for example in volatibility or the permanent memory.
Note, be not comprised in the burst 206 in first subframe 302 of reduction, be to be used for base station 12 to send the burst of signals, and the burst 308 that has been added to second subframe 304 of expansion is to be used for first user 14 sends burst from signals to second user 16 to second user 16.For first user 14, in order to send signal to second user 16, first user can operate according to the new frame structure 300 of Fig. 3, and the base station 12 and second user 16 can operate according to the primitive frame structure 200 of Fig. 2 simultaneously.The result is that during the expansion (that is, burst 308) of second subframe of expanding 304, first user 14 can send signals to second user 16.
It should be noted that, because base station 12 is according to 200 operations of primitive frame structure, first user 14 is according to new frame structure 300 operation, thus the base station 12 and first user 14 " think " all that incremental time 212 is assigned in them each be used for sending signals to second user 16.The result is, the base station 12 and first user 14 (for example increment 212 during) at one time simultaneously send signals to second user 16, this in cooperative system be allow (but in junction network that is described below or the system be unallowed-referring to example, Fig. 8).Simultaneously, because second user 16 is according to primitive frame structure 200 operation, it will " think " that during incremental time 212 signal source that receives from first user 14 is from the base station 12.
The base station 12 and first user 14 can be allowed to the ability that second user 16 sends signal simultaneously, and this is that for second user 16, this can bring the wireless receiving of improvement because the base station 12 and first user 14 can utilize a kind of quadrature space-time block code to send.For example, if the empty time-code of Alamouti is used by the base station 12 and first user 14, second user 16 uses a single antenna to come received signal, and second user 16 can experience the diversity gain of improvement so.If second user 16 uses a plurality of antenna receiving signals, spatial multiplexing gain is possible.If second user 16 uses a single antenna to come received signal, communication system is effective multichannel input single channel output (MISO) so.If second user 16 uses a plurality of antennas to receive, communication system is effective multichannel input multichannel output (MIMO) so.
Fig. 4 has described another wireless network according to each embodiment of the present invention.Network 40 is another cooperative systems, wherein the first and the 3rd user 14 and 42 can be directly to second and four-function family 16 and 44 send signals, and do not need, shown in Reference numeral 22 and 46 through base station 12.As shown in the figure, four users 14,16,42 and 44 also can with base station 12 two-way communications, as in the wireless network of routine.
For each node of network 40, in order to communicate by letter in network 40, base station 12 can be at first to the mapping of network 40 broadcast transmitted, and this transmission map is in order to specify the described frame structure 500 of Fig. 5.Frame structure 500 comprises first (down link) subframe 502 and second (up link) subframe 504 that comprises a plurality of bursts 506 to 517.First and second subframes 502 with 504 each is all relevant with first and second Transmission Time Intervals 550 and 552 respectively.First subframe 502 comprises a plurality of bursts 506 to 513, is used for from the base station the 12 signals transmission to user 14,16,42 and 44, and second subframe 504 comprises a plurality of bursts 514 to 517, is used for 12 the signal transmission to the base station from user 14,16,42 and 44.That be placed on that second subframe 504 begins to locate is TTG 240.Along time shaft 216, first Transmission Time Interval 550 comprises first group of incremental time 530 to 537, second Transmission Time Interval 552 comprises second group of incremental time 538 to 541, and each of incremental time 530 to 541 corresponds respectively to each of a plurality of bursts 506 to 517 of first and second subframes 502 and 504.A plurality of bursts 506 to 513 of first subframe 502 can by the front end burst subclass 520 (for example burst 506 to 511) relevant with front end incremental time 530 to 535 and with rear end incremental time 536 to 537 relevant rear end burst subclass 522 (for example burst 512 to 513) form.
After receiving transmission map from base station 12, the first and the 3rd user 14 and 42 can by during first Transmission Time Interval 550 to second and four-function family 16 and 44 send signals and depart from the transmission map that base station 12 is broadcasted.In certain embodiments, this means first and second users 14 and 42 according to the operation of new frame structure, this new frame structure is the invulnerable release of the primitive frame structure 500 of the transmission map appointment broadcasted by base station 12.New frame structure can comprise first subframe of reduction of first Transmission Time Interval with scaled-back and second subframe of the expansion of second Transmission Time Interval with relative expansion, as Fig. 6,7 descriptions.Particularly, described can be according to these amended frame structure 600 operations according to amended frame structure 600, the first users 14 of each embodiment of the present invention for Fig. 6.Notice that in certain embodiments, the 3rd user 42 also can will describe below according to frame structure 600 operations.
In certain embodiments, frame structure 600 this modification or new can obtain by revising the original transmitted mapping of being broadcasted base station 12.Second subframe 604 of expansion that the modification of original transmitted mapping can cause first Transmission Time Interval 630 of first subframe 602 of a reduction and a scaled-back and have second Transmission Time Interval 632 of respective extension.Particularly, second subframe 604 of expansion can be used as the result that second subframe 504 (with second Transmission Time Interval 552) to primitive frame structure 500 is expanded with related expansion second Transmission Time Interval 632, first subframe 602 of reduction can be used as the result that first subframe 502 (with first Transmission Time Interval 530) to primitive frame structure 500 is reduced with first Transmission Time Interval 630 of related reduction, and wherein second subframe 504 and the propagation in second time interval 532 equal the reduction of first subframe 502 and first Transmission Time Interval 530.For example, in this case, the part 522 of as many as first subframe 502 that abandons from first subframe 602 of reduction of the expansion of second subframe 604 of expansion 606.
Second subframe 504 of primitive frame structure 500 is expanded second subframe 604 that generates expansion, and this can be that DL/UL is separated 202 results to two bursts that shift left.The result is, be used for from the base station 12 to second and two bursts 512 and 513 of the signal transmission of four-function family 16 and 44 (promptly, the rear end burst subclass 522 relevant) from first subframe 502, removed, with first subframe 602 (and first Transmission Time Interval 630 of related reduction is relevant) that generates the reduction in the new frame structure 600 with rear end incremental time 536 to 537.Correspondingly, two bursts 620 and 621 are added in the section start of second subframe 504 of primitive frame structure 500 to generate second subframe 604 of the expansion in the new frame structure 600.Note, form the identical burst of the burst 506 to 511 of first subframe 602 of reducing corresponding to the front end burst subclass 520 of forming first subframe 520 in the primitive frame structure 500.
Be added to second subframe 504 and comprise that with the burst 620 and 621 of second subframe 604 that forms the expansion in the new frame structure 600 being used for first user 14 sends the burst 620 of signals and be used for the 3rd user 42 sends burst 621 from signals to four-function family 44 to second user 16.Yet, in interchangeable embodiment, be used for the 3rd user 42 and can substitute (referring to the burst 513 of Fig. 5) to the burst that four-function family 44 sends signal to be used for base station 12 to the additional bursts pulse 621 that four-function family 44 (SS3 to SS4) sends signal.
Can be although the 3rd user 44 has been described in the front according to frame structure 600 operations, in other interchangeable embodiment, the 3rd user can be according to described another frame structure 700 operations of Fig. 7.As shown in the figure, frame structure 700 is closely similar with the frame structure 600 that Fig. 6 describes, except DL/UL separates 202 quilts to the burst that shifts left.The result is, have only burst 513 (being used for from the base station 14 bursts) to be removed first subframe 702 (with the Transmission Time Interval 730 of the reduction that is associated), have only burst 621 to be added to second subframe 704 (with the expanded transmission time interval 732 that be associated) of second subframe 504 to generate the expansion in the new frame structure 700 of primitive frame structure 500 with the reduction that generates new frame structure 700 by first subframe 502 from primitive frame structure 500 to the signal transmission at four-function family 44.
Fig. 8 has described another wireless network according to each embodiment of the present invention.For purpose of description, this network 80 can be called as junction network or system's (being " relay system ") here.Network 80 comprises base station 12, the first users 14 and second user 16.Embodiment hereto, second user 16 can by first user 14 from the base station 12 received signals, first user 14 has served as second user's 16 relay station.In other words, although second user 16 has the ability directly and base station 12 two-way communications, shown in Reference numeral 28, replace to obtain better data throughput with base station 12 direct communications by using relay station (for example first user 14).This is because when the distance between transmitting apparatus (that is, base station 12) and the receiving equipment (that is, second user 16) increased, data throughput will reduce usually.Like this, by using the signal of relay station (that is, first user 14) relaying 12 to second users 16 of certain position between the base station 12 and second user 16, just can realize higher data throughput relatively from the base station.
As previously mentioned, base station 12 can be shone upon to network 80 broadcast transmitted at first.The transmission map of being broadcasted can be specified the frame structure 200 of Fig. 2.For to second user, 16 repeating signals, first user 14 can depart from frame structure 200, and sends signals, the description of carrying out at cooperative system before being similar at first Transmission Time Interval 230 to second user 16.In certain embodiments, this can shine upon by the original transmitted that first user, 14 modification base stations 12 are broadcasted and realize.This transmission map of revising thus can be represented the frame structure 300 of new modification, and as describing among Fig. 3, first user 14 is according to its operation, the cooperative system (see figure 1) of describing before being similar to.But different with cooperative system (for example network 10 of Fig. 1), the base station 12 in the cooperative system is according to 200 operations of primitive frame structure, and in relay system (describing as Fig. 8), base station 12 can be according to 300 operations of new frame structure.This is because in relay system, is not allowing base station 12 to send signal when second user sends signal first user 14.Like this, in order to ensure first user 14 before second user 16 sends signals, from the transport mode translations to the receiving mode, base station 12 as first user 14, can be operated according to new frame structure 300 in base station 12.
In certain embodiments, for base station 12, in order to carry out these functions, it can comprise physical storage medium and a plurality of executable instruction that is stored in this physical storage medium, and these instructions are designed to base station 12 is programmed for the transmission map that sends designated frame structures 200 to wireless network 80.Frame structure 200 by the transmission map appointment that sends has first and second subframes 220 and 222.If base station 12 is according to the transmission map operation that sends, first subframe 220 can make base station 12 enter transmission mode so, be used for sending signal to the user 14 and 16 of wireless network 80, second subframe 222 can make base station 12 enter receiving mode, is used for from user 14 and 16 received signals.First and second subframes 220 and 222 finish before second Transmission Time Interval 232 or at its section start corresponding to first and second Transmission Time Intervals 230 and 232, the first Transmission Time Intervals 230.
Be stored in a plurality of executable instructions in the physical storage medium and can further be designed to base station 12 is programmed for and make it depart from transmission map, during first Transmission Time Interval 232, to be transformed into receiving mode.But in some interchangeable embodiment, when needed, above-mentioned instruction can remotely be located with by wireless access.
In certain embodiments, in order to depart from transmission map, base station 12 based on executable instruction can be according to 300 operations of new frame structure, this new frame structure is an invulnerable release of primitive frame structure 200, new frame structure 300 comprise first Transmission Time Interval 310 with scaled-back reduction first subframe 302 and have second subframe 304 of expansion of second Transmission Time Interval 312 of respective extension.The expansion (for example burst 308 and incremental time 212) of second subframe of expanding 304 and second Transmission Time Interval 312 of expansion equals for first Transmission Time Interval 310 of first subframe 302 that forms reduction and reduction from the part (as burst 206 and the incremental time 212 of Fig. 2) of first subframe 220 and 230 minimizings of first Transmission Time Interval.In certain embodiments, the conversion that enters receiving mode is the section start at the expansion of second Transmission Time Interval 312 of expansion.Notice that second subframe 304 of expansion comprises burst 308, be used for first user 14 and send signal with the signal of relaying from base station 12 to second user 16.
In each embodiment, be used for the data that burst 308 that first user 14 sends from signals to second user 16 comprises the lead code form, it is convenient to the synchronous of second user 16 and 14 of first users.In other words, burst 308 can comprise a lead code be convenient between second user's 16 the carrier oscillator and first user's 14 carrier oscillator synchronously, this is because first user 14 will use one to be different from base station 12 employed oscillators (promptly, second user 16 can be synchronous with base station 12, rather than synchronous with first user 14, such second user will need with first user 14 synchronous again).
Fig. 9 has described a system according to each embodiment of the present invention.For these embodiment, system 900 is used to receive the transmission map that comprises first subframe and second subframe, first subframe is used for during first Transmission Time Interval from the base station of wireless network to the signal transmission of a plurality of equipment (for example user) of this wireless network, and second subframe is used for that a plurality of equipment from this wireless network transmit to signal of base station during second Transmission Time Interval.System 900 can also be used to departing from this transmission map, so as during first Transmission Time Interval in a plurality of equipment of this network at least one equipment send signal.In certain embodiments, system 900 can be a user with wireless network of various forms key element, comprise, for example, the calculating or the communication equipment of desktop PC, laptop computer, set-top box, PDA(Personal Digital Assistant), network board, beep-pager, text messager, game station, smart machine, mobile phone or any other type.
As shown in the figure, system 900 can be trustship (host) or comprise processor 902 (for example controller), memory 904 (it can comprise volatibility and/or nonvolatile memory), transceiver 906 and antenna 912, this transceiver 906 also comprises receiving unit 908 and sends part 910 that itself and antenna 912 are coupled as shown in figure.In certain embodiments, antenna 912 can be an omnidirectional antenna.Protecting, antenna 912 can be the antenna of directional antenna or other type.
Receiving unit 908 can receiving unit 908 in trust system 900 be used for receiving the transmission map of given transmission frame structure, this transmission frame-form comprises first and second subframes, first subframe is used for from the base station of wireless network to the signal transmission of a plurality of equipment of this wireless network, and second subframe is used for from a plurality of equipment to this signal of base station transmission.In certain embodiments, first and second subframes correspond respectively to first and second Transmission Time Intervals, first Transmission Time Interval before second transmission time or its section start finish.On the contrary, sending part 910 can system 900 in trust be used for sending signal in a plurality of equipment of wireless network during first Transmission Time Interval.
Processor 902 can provide the transmission data to transceiver 906, being used to generate the signal that transceiver 906 sends, and handles the reception data that received signal generated that receive according to transceiver 906.Processor 902 can also be revised the transmission map that is received for mandatory system 900, so that mandatory system sends signal.In interchangeable embodiment, described modification can be finished by coupling or another controller (not shown) that is embedded into transceiver 906.In certain embodiments, amended transmission map can be stored in the memory 904.Modification to the transmission map that received can comprise that first subframe that will have first Transmission Time Interval is reduced to first subframe of the reduction of first Transmission Time Interval with scaled-back, and second subframe that will have second Transmission Time Interval expands to second subframe of the expansion of second Transmission Time Interval with respective extension.Processor 902 (or another controller) also is used for sending part 910 based on amended transmission map control at least in part, thinks that mandatory system 900 sends signal during the expansion of second Transmission Time Interval of expansion.
In certain embodiments, first subframe comprises more than first burst relevant with first group of incremental time of first Transmission Time Interval, second subframe comprises more than second burst relevant with second group of incremental time of second Transmission Time Interval, processor 902 (or another controller) can be used to mandatory system 900 to revise the transmission map that receives, first subframe is reduced to first subframe of reduction, it has more than three burst relevant with the front end subclass of first group of incremental time.For these embodiment, more than the 3rd burst is less than more than first burst, and the quantity of the burst of minimizing is corresponding to the back extremal subset of first group of incremental time.Second subframe that processor 902 (or another controller) can also be used for being used for mandatory system is extended to second subframe of the expansion that comprises more than the 4th burst, more than the 4th burst is more than more than second burst, and burst quantity that is increased and incremental time are corresponding to burst that is reduced and incremental time.
In each embodiment, can realize with the hardware that integrates with transceiver 906 as the ability of the transceiver of more previous description (that is, receiving and send part 908 and 910) operation.In other embodiments, transceiver 906 transmitter and receiver that can be used as separation is realized.
Although in this illustration and described some embodiment, but those of ordinary skills will appreciate that, be considered to realize that the multiple interchangeable and/or equivalent embodiment or the implementation of same purpose can replace the embodiment that these illustrate and describe, and can not depart from the scope of the present invention.Those skilled in the art recognizes easily, can realize in a lot of modes according to embodiments of the invention.The application will cover any adaptive change or the variation of the embodiment of this discussion.Therefore, what know better is will only be limited by claim or its equivalent according to embodiment of the present invention.
Claims (23)
1. method comprises:
Receive the transmission map of given transmission frame structure by first equipment in a plurality of equipment of wireless network, described transmission frame-form has first and second subframes, described first subframe is used for from the base station of described wireless network to the signal transmission of above-mentioned a plurality of equipment of described wireless network, described second subframe is used for transmitting to described signal of base station from described a plurality of equipment, described first and second subframes correspond respectively to first and second Transmission Time Intervals, described first Transmission Time Interval before described second Transmission Time Interval or the section start of described second Transmission Time Interval finish; And
Depart from described transmission map and send signal to second equipment with described first equipment from described a plurality of equipment during described first Transmission Time Interval.
2. the method for claim 1 also comprises:
The transmission map that is received by described first apparatus modifications is so that the transmission of the signal from described first equipment to described second equipment during described first Transmission Time Interval; And
The described amended transmission map of storage on described first equipment.
3. the method for claim 1, wherein, described first subframe that comprises the reduction that utilizes first Transmission Time Interval with scaled-back that departs from is operated with second subframe of the expansion of the second time transmission intercal with respective extension, the propagation of described second subframe and second Transmission Time Interval equals the reduction of described first subframe and first Transmission Time Interval, and described transmission sends during being included in the expansion of second Transmission Time Interval of described expansion.
4. method as claimed in claim 3, wherein, described first subframe comprises more than first burst relevant with first group of incremental time of described first Transmission Time Interval, and described second subframe comprises more than second burst relevant with second group of incremental time of described second Transmission Time Interval; And
First subframe of described reduction has more than three burst relevant with the front end subclass of described first group of incremental time, described more than the 3rd burst is less than described more than first burst, the burst quantity that is reduced is corresponding to the back extremal subset of described first group of incremental time, second subframe of described expansion has more than the 4th burst, described more than the 4th burst is more than described more than second burst, and the burst that is increased and the quantity of incremental time are corresponding to the quantity of burst that is reduced and incremental time.
5. method as claimed in claim 4, wherein, described reduction comprises from described more than first burst and removes first burst, described first burst is used for the signal transmission from described base station to described second equipment, described expansion comprises to described more than second burst adds second burst, described second burst is used for the signal transmission from described first equipment to described second equipment, and wherein said first and second bursts are relevant with an incremental time.
6. method as claimed in claim 5, wherein, described reduction also comprises from described more than first burst and removes the 3rd burst, described the 3rd burst is used for from the base station of described wireless network to the signal transmission of the 3rd equipment of described wireless network, described expansion also comprises to described more than second burst adds the 4th burst, described the 4th burst is used for the signal transmission from the 4th equipment of described wireless network to described the 3rd equipment, and described third and fourth burst is relevant with another incremental time.
7. method as claimed in claim 5, wherein, described reduction also comprises remove the 3rd burst that is associated from described more than first burst, described the 3rd burst that is associated is used for from the base station of described wireless network to the signal transmission of the 3rd equipment of described wireless network, described expansion also comprises to described more than second burst adds the 4th burst, described the 4th burst is used for from the base station of described wireless network to the signal transmission of the 3rd equipment of described wireless network, and wherein said third and fourth burst is relevant with another incremental time.
8. method as claimed in claim 4, wherein, described reduction comprises a plurality of bursts that correspondingly remove on rear end at interval of the described very first time and the incremental time that is associated from described more than first burst and described first group of incremental time, described expansion is included in described second time interval front end and correspondingly adds a plurality of bursts and the incremental time that is associated to described more than second burst and described second group of incremental time.
9. method as claimed in claim 8, wherein, burst that is added and incremental time correspondingly comprise the incremental time of filling burst and being associated, described filling burst is placed on the front end of more than second burst of described expansion, so that the conversion of described first equipment from the receiving mode to the transmission mode.
10. send signal that signal with relaying from described base station receive to described second equipment the method for claim 1, wherein described comprising from described first equipment to described second equipment transmission signal from described first equipment.
11. comprising from described first equipment, the method for claim 1, wherein described transmission sends the signal that comprises the data that make described second equipment and described first device synchronization to described second equipment.
12. a product comprises:
Physical storage medium; With
Be stored in a plurality of executable instruction in the described physical storage medium, these executable instructions be designed to the equipment of wireless network programme so that described equipment can:
Send the transmission map of given transmission frame structure to the miscellaneous equipment of described wireless network, described transmission frame-form has first and second subframes, if described equipment is operated according to described transmission map, then described first subframe is used for described equipment is placed transmission mode, to carry out the signal transmission of miscellaneous equipment from this equipment to described wireless network, described second subframe is used for described equipment is placed receiving mode, to receive signal from described miscellaneous equipment, described first and second subframes correspond respectively to first and second Transmission Time Intervals, described first Transmission Time Interval before described second Transmission Time Interval or the section start of described second Transmission Time Interval finish; And
Depart from described transmission map during described first Transmission Time Interval, described device translates is arrived described receiving mode.
13. product as claimed in claim 12, wherein, described executable instruction further be designed to make described equipment can:
Revise described transmission map so that during described first Transmission Time Interval, described device translates is arrived described receiving mode; And
The described amended transmission map of storage in described equipment.
14. product as claimed in claim 13, wherein, described first subframe that comprises the reduction that utilizes first Transmission Time Interval with scaled-back that departs from is operated with second subframe of the expansion of second Transmission Time Interval with respective extension, the propagation of described second subframe and second Transmission Time Interval equals the reduction of described first subframe and first Transmission Time Interval, and the place that begins of expansion that described conversion is included in second Transmission Time Interval of described expansion is transformed into described receiving mode.
15. product as claimed in claim 14, wherein, at least a portion in the expansion of second subframe of described expansion is used for second equipment of signal from first device transmission of described miscellaneous equipment to described other equipment, the signal that is received from described equipment by first equipment in described other equipment with relaying.
16. a device comprises:
Receiving unit, receive the transmission map of given transmission frame structure for the equipment of the described receiving unit of trustship, described transmission frame-form comprises first and second subframes, described first subframe is used for from the base station of described wireless network to the signal transmission of a plurality of equipment of described wireless network, described second subframe is used for transmitting to described signal of base station from described a plurality of equipment, described first and second subframes correspond respectively to first and second Transmission Time Intervals, described first Transmission Time Interval before described second transmission time or the section start in described second transmission time finish; With
Send part, depart from the transmission map that received for described trustship equipment to send signal during described first Transmission Time Interval one of in a plurality of equipment of described wireless network.
17. device as claimed in claim 16 also comprises the controller that is coupled to described receiver, is the received transmission map of described trustship apparatus modifications, so that described trustship equipment sends signal at described first Transmission Time Interval to described other equipment.
18. device as claimed in claim 17, wherein, the transmission map that described controller is used to described trustship apparatus modifications to be received, described first subframe that will have described first Transmission Time Interval is reduced to first subframe of the reduction of first Transmission Time Interval with scaled-back, described second subframe that will have described second Transmission Time Interval expands to second subframe of the expansion of second Transmission Time Interval with respective extension, described controller is coupled to described transmission part, with during the expansion of second Transmission Time Interval of described expansion, at least in part based on the transmission map of described modification, control described sending part and assign to send signal to one of a plurality of equipment of described wireless network into described trustship equipment.
19. device as claimed in claim 18, wherein, described first subframe comprises that more than first burst and described second subframe comprise more than second burst, described more than first burst is relevant with first group of incremental time of described first Transmission Time Interval, and described more than second burst is relevant with second group of incremental time of described second Transmission Time Interval; And
The transmission map that described controller is used to described trustship apparatus modifications to be received, described first subframe is reduced to first subframe of reduction, first subframe of this reduction has more than the 3rd burst that is associated with the front end subclass of described first group of incremental time, described more than the 3rd burst is less than described more than first burst, the burst quantity that is reduced is corresponding to the back extremal subset of described first group of incremental time, described second subframe is expanded to second subframe of expansion with more than the 4th burst, described more than the 4th burst is more than described more than second burst, and the described burst that is increased and the quantity of incremental time are corresponding to the described burst that is reduced and the quantity of incremental time.
20. a system comprises:
Omnidirectional antenna;
Be coupled to the transceiver of described antenna, be used for optionally to wireless network transmission signal or from the wireless network received signal; With
Be coupled to the processor of described transceiver, the reception data that are used to the generation that sends signal to provide transmission data and processing to generate according to described received signal;
Wherein, described transceiver is used for
Receive the transmission map of given transmission frame structure, described transmission frame-form comprises first and second subframes, described first subframe is used for from the base station of described wireless network to the signal transmission of a plurality of equipment of described wireless network, described second subframe is used for transmitting to described signal of base station from described a plurality of equipment, described first and second subframes correspond respectively to first and second Transmission Time Intervals, described first Transmission Time Interval before described second Transmission Time Interval or the section start of described second Transmission Time Interval finish; With
Depart from described transmission map during described first Transmission Time Interval, to send signal to one of a plurality of equipment of described wireless network.
21. system as claimed in claim 20, wherein, described transceiver is used to revise the transmission map that is received, so that the signal to described miscellaneous equipment transmits during described first Transmission Time Interval, and described system also comprises the memory that is coupled to described transceiver, to store described amended transmission map.
22. system as claimed in claim 20, wherein, described processor is used to revise the transmission map that is received, so that the signal to described miscellaneous equipment transmits during described first Transmission Time Interval, and described system also comprises the memory that is coupled to described processor and described transceiver, to store described amended transmission map.
23. system as claim 20, wherein, described system is select from the group of being made up of desktop PC, laptop computer, set-top box, PDA(Personal Digital Assistant), network board, beep-pager, text messager, game station, smart machine or mobile phone a kind of.
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| US11/458,476 US7760694B2 (en) | 2006-07-19 | 2006-07-19 | Deviating from a transmission map to communicate in a wireless network |
| US11/458,476 | 2006-07-19 |
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| EP (1) | EP2062398A1 (en) |
| JP (1) | JP4960452B2 (en) |
| CN (1) | CN101110658B (en) |
| TW (1) | TWI369871B (en) |
| WO (1) | WO2008010855A1 (en) |
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| CN105940736A (en) * | 2013-07-09 | 2016-09-14 | 阿尔卡特朗讯 | Systems for switching modes in wireless sessions |
| CN109891947A (en) * | 2016-11-04 | 2019-06-14 | 惠州Tcl移动通信有限公司 | Foundation is paged and connected in a wireless communication system by relay |
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Also Published As
| Publication number | Publication date |
|---|---|
| US7760694B2 (en) | 2010-07-20 |
| US20080032625A1 (en) | 2008-02-07 |
| JP4960452B2 (en) | 2012-06-27 |
| JP2009544219A (en) | 2009-12-10 |
| CN101110658B (en) | 2011-10-19 |
| EP2062398A1 (en) | 2009-05-27 |
| WO2008010855A1 (en) | 2008-01-24 |
| TWI369871B (en) | 2012-08-01 |
| TW200807958A (en) | 2008-02-01 |
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